242 alismacejE. 



Ponds and wet ditches. P. July, August. 

 Common throughout the county. 



2. A. ranunculoides Linn. 



Plantago aquatica minor, R. C. 120. A. angustifolium 

 capitulis rotundis echinatis, M. M. 56. A. ranunculoides, 

 M. PI. 9. Relh. 153. 



Turfy bogs and wet ditches. P. July, August. 



1. Shelford Moor. Wilbraham Fen. Near the brook, 

 Fulbourn. Dullingham. Hinton Moor ; W. H. 0. — 



2. Near the railway in Sawston Moor ! ; S. W. W. — 



3. Sheep's Green, Cambridge. — 4. Waterbeach Fen. Near 

 Stretham Ferry ; S. W. W. — 5. Wicken, Bottisham, and 

 SwaffhamFens. Quarry at Up ware.— 6. Near Ely; S.W.W. 

 — 7. Doddington Turf-fen. 



Sagittaria Linn. 

 1. S. Sagittifdlia Linn. Arrowhead. 



Sagiita minor and S. major, P. C. 141. M. M. 56. S. 

 sagittifolia, M. PI. 22. Relh. 394. 



Wet ditches and slow streams. P. August. 



1. Conduit stream by Trumpington road, also in Cow 

 Fen, Cambridge. Hinton. Wilbraham Fen. — 2. Sawston 

 Moor. Duxford. Shepreth; N. W. — 3. Sheep's Green, 

 Cambridge. Bourn Brook, from near its source to its mouth. 

 Barrington. Malton. — 4. Madingley chalk-pit. Water- 

 beach. Cottenham. — 5, 6, 7, and 8. Common throughout 

 the Fens. 



Butomtjs Linn. 



1. B. umbellatllS Linn. Flowering Rush. 



Gladiolus palustris, R. C. 62. Butomus, M. M. 65. B. 

 umbellatus, M. PL 9. Relh. 168. 



